Autoclave tape is used as a process indicator in steam sterilizers. It features an aggressive, pressure-sensitive adhesive designed to adhere to wraps so that the pack stays secure during sterilization and can be used in direct contact with substrates.
The tape also features a chemical indicator to verify that it has undergone sterilization. Yellow to Black in a steam sterilizer after 10 minutes at 121°C or 2 minutes at 134°C.